Home / 49,907,628.80-74,889,436.80-21,148,870.40

Finding the Fourth Proportional to 49,907,628.80, 74,889,436.80 and 21,148,870.40

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Solution

The fourth proportional to 49,907,628.80, 74,889,436.80 and 21,148,870.40 is: 31,735,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907,628.80 : 74,889,436.80 = 21,148,870.40 : x
  2. Step 2: Convert to fraction form
    49,907,628.80/74,889,436.80 = 21,148,870.40/x
  3. Step 3: Cross multiply
    49,907,628.80x = 74,889,436.80 × 21,148,870.40
  4. Step 4: Simplify right side
    49,907,628.80x = 1,583,826,993,212,190.50
  5. Step 5: Solve for x
    x = 1,583,826,993,212,190.50/49,907,628.80
  6. Step 6: Final answer
    x = 31,735,168.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.